Fluorescent tube



FIG. 1 is a front view of a fluorescent tube showing the new design.

FIG. 2 is a rear view thereof.

FIG. 3 is a left side view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof; and,

FIG. 7 is an end view in section taken along line 7—7 in FIG. 1. 

The ornamental design for a fluorescent tube, as shown and described. 